A signal m(t) amplitude modulates a carrier Ac cos œâct. The final s – McqOptions

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1.	A signal m(t) amplitude modulates a carrier Ac cos œâct. The final signal will be
A.	[Ac m(t)] cos œâct]
B.	Ac . [1 + m(t)] cos œâct
C.	Ac + [m(t)] cos œâct
D.	Ac cos œâct + m(t)
Answer» C. Ac + [m(t)] cos œâct

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